6815013 has 8 divisors (see below), whose sum is σ = 9156576. Its totient is φ = 4508400.

The previous prime is 6814999. The next prime is 6815021. The reversal of 6815013 is 3105186.

6815013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6815013 - 2²¹ = 4717861 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6815033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8278 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (1144572).

Almost surely, 2^6815013 is an apocalyptic number.

It is an amenable number.

6815013 is a deficient number, since it is larger than the sum of its proper divisors (2341563).

6815013 is a wasteful number, since it uses less digits than its factorization.

6815013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 6815013 is about 2610.5579863317. The cubic root of 6815013 is about 189.5929698385.

The spelling of 6815013 in words is "six million, eight hundred fifteen thousand, thirteen".